BEIJING, March 19 (Reuters) - Chinese megacity Beijing will optimise property regulation and implement different policies based on each districts' situation, said the city's vice mayor Xia Linmao at a press conference on Tuesday.

"We have always insisted that 'housing is for living in, not for speculation'," Xia said. (Reporting by Beijing newsroom; Editing by Muralikumar Anantharaman)